1
Hradek Richard W, Myers William P, Alftine David N, Cao Tuan: Oxygen concentrator with pressure booster and oxygen concentration monitoring.. Litton Systems, April 24, 1991: EP0423496-A2 (8 worldwide citation)

In an oxygen concentrator which is intended for aircraft use, a booster compressor (16) is used to increase the pressure of the product gas from the concentrator (15) in order to increase the amount of the gas which can be stored in a plenum (17). The booster includes two moving pistons (47,49) whic ...


2
Bode James D, Tsang Peter H, Hradek Richard W: Particules de zirconium enduites doxyde de baryum, employees dans un extracteur doxygene, Barium oxide control zirconia particle for use in an oxygen extractor. Bendix Corporation, July 8, 1980: CA1081197

ABSTRACT OF THE DISCLOSURE A process of manufacturing an oxide material for use in an oxygengenerator. A quantity of dry zirconia particles is blended with Barium Peroxideparticles and thereafter heated in a nitrogen atmosphere until the BariumPeroxide melts and coats the zirconia particles. The Bar ...


3
Hradek Richard W: Cuve a aire dadsorption moleculaire variable, Variable area molecular sieve container. Bendix Corporation, MACRAE & CO, May 18, 1982: CA1123754

VARIABLE AREA MOLECULAR SIEVE CONTAINER HAVING A THERMAL CONTROL SYSTEM ABSTRACT OF THE DISCLOSUREA fluid separator apparatus having a control member for allowinga source of pressurized fluid mixture to flow In a first direction througha bed of adsorption material to produce a product fluid and for ...


4
Hradek Richard W, Myers William P, Alftine David N, Cao Tuan: Oxygenoconcentrateur muni dun surpresseur et dun indicateur de concentration, Oxygen concentrator with pressure booster and oxygen concentration monitoring. Carleton Life Support Systems, MACRAE & CO, February 23, 1999: CA2023707

In an oxygen concentrator which is intendedfor aircraft use, a booster compressor is used toincrease the pressure of the product gas from theconcentrator in order to increase the amount of the gaswhich can be stored in a plenum. The booster includestwo moving pistons which are rigidly linked togethe ...